SOLUTION: The perimeter of a trapezoid is 39a-7. Three sides have the following lengths: 9a, 5a+1, and 17a-6. What is the length of the fourth side. (sorry if the topic/category is incorrect
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Question 1110126: The perimeter of a trapezoid is 39a-7. Three sides have the following lengths: 9a, 5a+1, and 17a-6. What is the length of the fourth side. (sorry if the topic/category is incorrect)
Answer by josgarithmetic(39621) (Show Source): You can put this solution on YOUR website!
Unknown side, x.
;
Solve this for x, in terms of a.
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